Disabled metro mode launch for Windows 10, until there is some clarity on technical details.

Note: You can still launch and test using either --force-immersive command line or by pressing Shift+F11 magic key just after launching chrome through shortcut.

BUG=470227
R=cpu,ananta

Review URL: https://codereview.chromium.org/1015533014

Cr-Commit-Position: refs/heads/master@{#324363}

chrome/browser/ui/toolbar/wrench_menu_model.cc

@@ -943,7 +943,8 @@ void WrenchMenuModel::Build() {
       // In Windows 8 desktop, add the 'Relaunch Chrome in Windows 8 mode'.
       // In Windows 7 desktop, add the 'Relaunch Chrome in Windows ASH mode'
       AddSeparator(ui::NORMAL_SEPARATOR);
-      if (base::win::GetVersion() >= base::win::VERSION_WIN8)
+      if (base::win::GetVersion() == base::win::VERSION_WIN8 ||
+          base::win::GetVersion() == base::win::VERSION_WIN8_1)
         AddItemWithStringId(IDC_WIN8_METRO_RESTART, IDS_WIN8_METRO_RESTART);
       else
         AddItemWithStringId(IDC_WIN_CHROMEOS_RESTART, IDS_WIN_CHROMEOS_RESTART);

win8/delegate_execute/command_execute_impl.cc

@@ -19,6 +19,7 @@
 #include "base/win/scoped_handle.h"
 #include "base/win/scoped_process_information.h"
 #include "base/win/win_util.h"
+#include "base/win/windows_version.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
@@ -482,6 +483,16 @@ EC_HOST_UI_MODE CommandExecuteImpl::GetLaunchMode() {
     return launch_mode;
   }
 
+  // As of now ActivateApplication fails on Windows 10 (Build 9926).
+  // Until there is some clarity on special status of browser in metro mode on
+  // Windows 10, we just  disable Chrome metro mode so that browser remains
+  // usable.
+  if (base::win::GetVersion() >= base::win::VERSION_WIN10) {
+    launch_mode = ECHUIM_DESKTOP;
+    launch_mode_determined = true;
+    return launch_mode;
+  }
+
   // Use the previous mode if available. Else launch in desktop mode.
   DWORD reg_value;
   if (reg_key.ReadValueDW(chrome::kLaunchModeValue,